Features 1、These insert nuts are made from high quantity zinc alloy and comes in a resealable transparent plastic box. 2、Screw-in insert nuts have an external thread and can be screwed in with a hex key wrench. 3、This set of screw-in insert nuts come in different sizes and take different screw sizes. 4、Widely used in the installation of mechanical fastener industry, furniture, etc. 5、80pcs insert nuts are enough for using. Specification Features: These insert nuts are made from high quantity zinc alloy and comes in a resealable transparent plastic box. Screw-in insert nuts have an external thread and can be screwed in with a hex key wrench. This set of screw-in insert nuts come in different sizes and take different screw sizes. Widely used in the installation of mechanical fastener industry, furniture, etc. 80pcs insert nuts are enough for using. Specifications: Material: Zinc alloy Type: Hex socket screw-in Weight: 145g Content: M4*10 20pcs M5*10 15pcs M6*10 20pcs M6*15 15pcs M8*15 5pcs M10*15 5pcs Package Includes: 80pcs x Insert Nuts Package List